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单词
rotary beam
释义
rotary beam
rotary beam
[
′rōd·ə·rē ′bēm
]
(electromagnetism)
Short-wave antenna system highly directional in azimuth and altitude, mounted in such a manner that it can be rotated to any desired position, either manually or by an electric motor drive.
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culmen
culmen cerebelli
culmen of cerebellum
culmen ridge
culmiferous
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culminate in (something)
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更新时间:2025/2/7 3:21:52